CN109780644A - Displaced type recycling ventilation group system - Google Patents
Displaced type recycling ventilation group system Download PDFInfo
- Publication number
- CN109780644A CN109780644A CN201711131352.0A CN201711131352A CN109780644A CN 109780644 A CN109780644 A CN 109780644A CN 201711131352 A CN201711131352 A CN 201711131352A CN 109780644 A CN109780644 A CN 109780644A
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- Prior art keywords
- displaced type
- air
- ventilation
- group system
- filter cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 68
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 47
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 21
- 239000000356 contaminant Substances 0.000 claims abstract description 5
- 239000003344 environmental pollutant Substances 0.000 claims description 25
- 231100000719 pollutant Toxicity 0.000 claims description 25
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 3
- 239000011087 paperboard Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 49
- 238000010438 heat treatment Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012459 muffins Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The present invention relates to technical field of dust removal equipment, and in particular to displaced type recycling ventilation group system.Main technical schemes are as follows: displaced type recycling ventilation group system, several in series or in parallel or mutually independent displaced type filtering ventilation units are installed in workshop, the displaced type filtering ventilation unit is using upper air inlet, the dust removal by ventilation mode of lower outlet air.It further include the fresh air switch being mounted at the top of workshop.The displaced type filtering ventilation unit includes shell, includes contaminant gases channel, filter cylinder and clean gas passages in the shell, and the upper part of the housing is equipped with air inlet, and lower part is equipped with air outlet；The inboard of air inlet is arranged in the filter cylinder, and the outlet of filter cylinder is connected to clean gas passages, and the end of clean gas passages is connected to air outlet.The present invention proposes that a kind of displaced type filters the cluster reasonable installation arrangement of ventilation unit device and the new air draft energy exchanger of large space, realizes the air current composition function for the displaced type air cleaning ventilation that usual centralized mode system can be only achieved.
Description
Technical field
The present invention relates to displaced types to recycle ventilation group system, belongs to technical field of dust removal equipment.
Background technique
With the development of New Technologies, dust pollution object is exhaled from past a large amount of depositing dusts to be increasingly difficult to administer
Dirt conversion, intensive and a large amount of 0.1 μm -2.0 μm of the small particle pollution dust and aerosol that many industrial enterprise's techniques generate
Also many Industrial Enterprise Factory Boundary problem of environmental pollutions and industrial building environment pollution problem, such as environment in workshop are brought
Smoke contamination, chemical contamination and other a variety of toxic and harmful gas pollutions.These it is seriously polluted influence and endanger practitioner's
Health will lead to various disease risks even threat to life.The consequence seriously polluted causes medical treatment to a large amount of enterprises
The problem of burden and practitioner's deficiency, seriously affects production；Dirt pollutant is leaked exhaling in workshop by door and window and ventilation is arranged
It puts and huge negative effect is caused to ambient air PM2.5, traditional industrial enterprise's draft type is mainly by following several:
(1) mode of gravity-flow ventilation is leaned on using roof ventilator.
Disadvantage: rate of ventilation requirement is unable to satisfy when pollutant emission is higher.Winter heating building thermal loss
It is huge, so winter cannot achieve gravity-flow ventilation.
(2) mechanical exhaust is done using powerroof ventilator.
Disadvantage: exhale dust and gas colloidal sol aggregation height usually in 6.5m hereinafter, the ventilation of 8m or more building roof can not solve work
The promotion and ventilation that dirt pollutant is exhaled as area also cause the heating energy for winter northern heating area and largely waste, Wu Fabao
Heating effect is demonstrate,proved, so winter fail to open use.
(3) it adds huge pipeline ventilating system and carries out forced circulation filtering ventilation.
Disadvantage: huge exhaust system will pollute air centralized collection and filter in each workspace, then be sent by huge
Wind system is uniformly sent to workspace, and the 75% of the blower energy causes mass energy to consume for conveying ventilation volume air stream back and forth,
It is more arranged due to ducting system and is limited by structure, there are many air drafts and air-supply blind area, that is, uncontrollable contaminated area.In addition great Qu
The ventilation cost that domain centralized control puts into production for small range or works overtime is higher.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes that a kind of displaced type filters ventilation unit device and large space is newly arranged
The reasonable installation of wind energy exchanger cluster is arranged, realizes the displaced type air cleaning that usual centralized mode system can be only achieved
The air current composition function of ventilation.
Technical scheme is as follows: displaced type recycling ventilation group system installs several series connection in workshop
Either in parallel or mutually independent displaced type filters ventilation unit, the displaced type filtering ventilation unit using upper air inlet,
The dust removal by ventilation mode of lower outlet air.
It further, further include the fresh air switch being mounted at the top of workshop.
Further, displaced type filtering ventilation unit includes shell, includes contaminant gases in the shell
Channel, filter cylinder and clean gas passages, the upper part of the housing are equipped with air inlet, and lower part is equipped with air outlet；The filter cylinder setting exists
The inboard of air inlet, the outlet of filter cylinder are connected to clean gas passages, and the end of clean gas passages is connected to air outlet.It is described
Contaminant gases channel be channel between shell and filter cylinder, clean gas passages.
Further, blowback system and blower are provided in the clean gas passages.
Further, confluence ejector pipe, the blowback system packet are equipped between the filter cylinder and clean gas passages
Blowback gas bag and anti-blowpipe are included, the anti-blowpipe is equipped with jet port, and the jet port is located at confluence ejector pipe lower inside.
Further, the blower is frequency conversion fan.
Further, the cartridge openings are downward.
Further, surface air cooler is installed above the blower.
Further, pollutant flow-path module, the pollutant flow-path module are equipped in the clean gas passages
By pollutant runner modular structure ontology and air conditioning dust removal machine outer container board group at；
The pollutant runner modular structure ontology includes shape of a saddle top plate and side plate interconnected, the side plate
Side, which is obliquely installed and connects, leads hawk, and the side plate connects ash slot with the bottom for leading hawk；The shape of a saddle top plate point
Fixed blowback gas bag inside angle, the blowback gas bag lower section connect anti-blowpipe, fix surface air cooler and blower between the side plate.
Further, setting collects grey vehicle below the ash slot.
Beneficial effects of the present invention are as follows:
(1) dust removal and filtration part of the present invention uses the higher surface coating filter cylinder filter medium of filter efficiency, for 0.3 μm
99.9% or more, energy automatic back blow automatically cleaning is not limited the filter efficiency of the above dust by dust containing capacity, can continuous effective mistake
Dust and flue gas in filter welding workshop.
(2) in equal design air circulation, the present invention is than the rate of ventilation that traditional replacement method of ventilation doubles, i.e.,
If traditional replacement ventilation, which reaches 2 ventilations present invention, can reach 4 rates of ventilation in same air circulation, due to not passing
Defeated power energy consumption more energy saving than traditional replacement method of ventilation 70% or more；In same pollutant occurrence quantity circulated air meter
Under calculation method, proper height arrangement exhaust outlet collect pollutant air circulation be workshop top overhead traveling crane gantry safe distance with
The 80% of outer arrangement exhaust outlet air circulation, fan delivery type selecting parameter reduces by 20%.
(3) large space fresh air switch fresh air flexible arrangement carries out efficient energy conversion with air draft, with displaced type mistake
It filters ventilation unit device and is combined with each other the entire workshop non-blind area supply and exhaust air current composition of realization, purification ventilation effect is best.
(4) one-time investment is low, and operating cost is low, and any group of operation control is convenient, flexible, can be controlled separately, can be any
Group facilitates maintenance.
Detailed description of the invention
Fig. 1 is the main view of displaced type filtering ventilation unit；
The A-A sectional view of main view when Fig. 2 is displaced type filtering ventilation unit booting operation；
The A-A sectional view of main view when Fig. 3 is displaced type filtering ventilation unit shutdown or blowback；
Fig. 4 is the side view of displaced type filtering ventilation unit；
Fig. 5 is the B-B sectional view of the side view of displaced type filtering ventilation unit；
Fig. 6 is the sectional view of displaced type filtering ventilation unit confluence ejector pipe；
Fig. 7 is the S direction view in Fig. 6；
Fig. 8 is the top view of displaced type filtering ventilation unit；
Fig. 9 is the three-dimensional view of displaced type filtering ventilation unit；
Figure 10 is the three-dimensional view of pollutant flow-path module；
Figure 11 is partially schematic Fig. 1 of pollutant flow-path module；
Figure 12 is partially schematic Fig. 2 of pollutant flow-path module；
Figure 13 is the main view of pollutant flow-path module；
Figure 14 is the side view of pollutant flow-path module；
Figure 15 is C-C sectional view in Figure 14；
Figure 16 is the top view of pollutant flow-path module；
Figure 17 is the layout drawing of displaced type recycling ventilation group system；
Figure 18 is the sectional view of displaced type recycling ventilation group system.
Wherein: 1, shell, 2, air inlet, 3, filter cylinder, 4, confluence ejector pipe, 5, blowback gas bag, 6, anti-blowpipe, 7, table it is cold
Device, 8, blower, 9, air outlet, 10, the grey vehicle of collection, 11, jet port, 12, vibration cleaning device, 13, outer boxboard, 14, pollutant runner
Modular structure ontology, 141, shape of a saddle top plate, 142, side plate, 143, lead hawk, 144, ash slot, 15, fresh air switch,
16, displaced type filters ventilation unit.
Specific embodiment
With reference to embodiment and attached drawing 1-18 the present invention will be further described:
Displaced type recycling ventilation group system, it is in series or in parallel or mutually independent to install several in workshop
Displaced type filters ventilation unit 16, and the displaced type filtering ventilation unit 16 is using upper air inlet, the dust removal by ventilation side of lower outlet air
Formula.It further include the fresh air switch 15 being mounted at the top of workshop.The displaced type filtering ventilation unit 16 includes shell 1,
It include contaminant gases channel, filter cylinder 3 and clean gas passages in the shell 1,1 top of shell is equipped with air inlet 2,
Lower part is equipped with air outlet 9；The inboard of air inlet 2 is arranged in the filter cylinder 3, and the outlet of filter cylinder 3 is connected to clean gas passages, clean
The end of net gas passage is connected to air outlet 9.Blowback system and blower 8 are provided in the clean gas passages.Institute
Confluence ejector pipe 4 is equipped between the filter cylinder 3 stated and clean gas passages, the blowback system includes blowback gas bag 5 and blowback
Pipe 6, the anti-blowpipe 6 are equipped with jet port 11, and the jet port 11 is located at confluence 4 lower inside of ejector pipe.The wind
Machine 8 is frequency conversion fan.The filter cylinder 3 is opening down.Surface air cooler 7 is installed above the blower 8.The clean gas is logical
Pollutant flow-path module is equipped in road, the pollutant flow-path module is by pollutant runner modular structure ontology 14 and air tune
The outer boxboard 13 of dust removal machine is saved to form；The pollutant runner modular structure ontology 14 includes shape of a saddle top plate interconnected
141 and side plate 142, the side of the side plate 142, which is obliquely installed and connects, leads hawk 143, the side plate 142 and leads hawk 143
Bottom connect ash slot 144；Fixed blowback gas bag 5, the blowback gas bag 5 inside 141 wedge angle of shape of a saddle top plate
Lower section connects anti-blowpipe 6, fixes surface air cooler 7 and blower 8 between the side plate 142.Setting collection ash below the ash slot 144
Vehicle 10.Vibration cleaning device 12 is set in the gas passage of the pollutant flow-path module.
At runtime, the operating of blower 8 can form negative pressuren zone to present device in equipment cavity, will constantly weld in workshop
Air capture inhalation device to be clean in, air-flow first passes around air return type and enters in equipment cavity from the blinds that hangs down, and a part is dirty
Dye object dust, which hits to fall directly into air return type from the blinds that hangs down, leads ash-pit 144, after filtering of the another part using filter cylinder 3, dust
Particle and weld fumes are blocked or are adsorbed on 3 outside overlay film surface of filter cylinder, and filter cylinder 3 is for 0.3 μm of partial size or more dust
Filter efficiency 99.9% or more, enter the pure air of clean area after the ejector pipe 4 that converges with freezed in surface air cooler 7
(heating) recirculated water carries out hot and humid area, and surface air cooler 7 passed through after reducing temperature and humidity (or heating) is handled by blower 8 to pure air
The low wind speed of replaceable ventilating opening 9 is uniformly sent to workshop region.
When equipment operation for a period of time after, many dusts can be adhered in the outer wall of filter cylinder 3,3 front and back pressure difference of filter cylinder increases
Power consumption increases, and at this moment starts blowback system automatically, carries out reverse gas cleaning to filter cylinder 3, blowback system is mainly by 5 He of blowback gas bag
Anti-blowpipe 6 forms, and when executing blowback, system can control the unlatching of the electromagnetic valve on gas bag, due to having pressure in blowback gas bag 5
For the compressed air of 0.5-0.6MPa, purge gas can be sprayed with supersonic speed from the jet port 11 of anti-blowpipe 6, have text flowing through
In mound when the confluence ejector pipe 4 of effect, mass air flow into confluence ejector pipe 4 and can accelerate the cavity for being diffused into filter cylinder 3 by injection
It is interior, gas shock and vibration are formed to filter cylinder 3, portion gas reversed can be discharged, air-flow (by arriving outside filter cylinder 3 inside filter cylinder 3)
Impact and vibration can dispose the dust and muffin for being attached to 3 outer surface of filter cylinder, be allowed to fall in lead hawk 143 and slide exist
Two sides are converged in ash slot 144, to reach deashing purpose；The certainly vertical blinds of air return type being mounted at equipment air inlet 2 at this time
Back draught can be blocked completely prevents dust from leaking spray unit equipment.The dust being cleaned out passes through the two of unit two sides
Ash slot 144 is converged in side, is finally pooled in the collection ash vehicle 10 of unit bottom, collects grey vehicle 10 in displaced type and filters ventilation list
The underface ground of element apparatus, salable mechanically or electrically move are toppled over.
Displaced type filtering ventilation unit 16 of the present invention does not need to design in workshop ventilation system schema largely to be crossed in length and breadth
Workshop air-supply and exhaust duct connect exhaust outlet, dedusting ventilator group and air funnel, as long as in the position locally needed
The distribution of air current composition can be realized in installation displaced type filtering ventilation unit 16.
3 quantity of filter cylinder of the invention can be odd number or even number, can vertical, inclination or laterally setting.
Above-described embodiment is only used for illustrating inventive concept of the invention, rather than the restriction to rights protection of the present invention,
It is all to be made a non-material change to the present invention using this design, protection scope of the present invention should all be fallen into.
Claims (10)
1. displaced type recycling ventilation group system, which is characterized in that installed in workshop several it is in series or in parallel or
Mutually independent displaced type filters ventilation unit (16), and displaced type filtering ventilation unit (16) is gone out using upper air inlet, down
The dust removal by ventilation mode of wind.
2. displaced type recycling ventilation group system as described in claim 1, which is characterized in that further include being mounted on workshop top
The fresh air switch (15) in portion.
3. displaced type recycling ventilation group system as described in claim 1, which is characterized in that the displaced type filtering is logical
Wind unit (16) includes shell (1), includes that contaminant gases channel, filter cylinder (3) and clean gas are logical in the shell (1)
Road, shell (1) top are equipped with air inlet (2), and lower part is equipped with air outlet (9)；The filter cylinder (3) is arranged in air inlet (2)
Inboard, the outlet of filter cylinder (3) is connected to clean gas passages, and the end of clean gas passages is connected to air outlet (9).
4. displaced type recycling ventilation group system as claimed in claim 3, which is characterized in that logical in the clean gas
Blowback system and blower (8) are provided in road.
5. displaced type as claimed in claim 4 recycling ventilation group system, which is characterized in that the filter cylinder (3) with it is clean
It is equipped with confluence ejector pipe (4) between net gas passage, the blowback system includes blowback gas bag (5) and anti-blowpipe (6), described
Anti-blowpipe (6) be equipped with jet port (11), the jet port (11) be located at confluence ejector pipe (4) lower inside.
6. displaced type recycling ventilation group system as claimed in claim 4, which is characterized in that the blower (8) is to become
Frequency blower.
7. displaced type recycling ventilation group system as claimed in claim 3, which is characterized in that filter cylinder (3) opening
Downward.
8. displaced type recycling ventilation group system as claimed in claim 4, which is characterized in that above the blower (8)
It installs surface air cooler (7).
9. displaced type recycling ventilation group system as claimed in claim 3, which is characterized in that the clean gas passages
Interior to be equipped with pollutant flow-path module, the pollutant flow-path module is by pollutant runner modular structure ontology (14) and outer boxboard
(13) it forms；
The pollutant runner modular structure ontology (14) includes shape of a saddle top plate (141) interconnected and side plate (142),
The side of the side plate (142) is obliquely installed and connects and leads hawk (143), the side plate (142) and the bottom for leading hawk (143)
It connects ash slot (144)；Fixed blowback gas bag (5), the blowback gas bag inside described shape of a saddle top plate (141) wedge angle
(5) lower section connects anti-blowpipe (6), fixes surface air cooler (7) and blower (8) between the side plate (142).
10. displaced type recycling ventilation group system as described in claim 1, which is characterized in that the group system is placed in height
In large space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131352.0A CN109780644B (en) | 2017-11-15 | 2017-11-15 | Replacement type recirculating ventilation cluster system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131352.0A CN109780644B (en) | 2017-11-15 | 2017-11-15 | Replacement type recirculating ventilation cluster system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109780644A true CN109780644A (en) | 2019-05-21 |
| CN109780644B CN109780644B (en) | 2023-06-13 |
Family
ID=66495218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711131352.0A Active CN109780644B (en) | 2017-11-15 | 2017-11-15 | Replacement type recirculating ventilation cluster system |
Country Status (1)
| Country | Link |
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| CN (1) | CN109780644B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10277339A (en) * | 1997-02-07 | 1998-10-20 | Fuji Electric Co Ltd | Fan filter unit for clean room |
| CN101619881A (en) * | 2009-06-16 | 2010-01-06 | 长沙凯天环保科技有限公司 | Dedusting system of whole factory building |
| WO2012093938A1 (en) * | 2011-01-03 | 2012-07-12 | Autarkis B.V. | Displacement ventilation system |
| CN104785024A (en) * | 2015-04-01 | 2015-07-22 | 成都易态科技有限公司 | Gas filtering device |
| CN204522576U (en) * | 2015-01-15 | 2015-08-05 | 凯天环保科技股份有限公司 | The dust entirety served back under a kind of administers all-in-one |
| CN105509265A (en) * | 2016-01-25 | 2016-04-20 | 福建海晟环境科技有限公司 | Intelligent ventilation, dust removal and purification system |
| CN107137987A (en) * | 2017-06-26 | 2017-09-08 | 山东国舜建设集团有限公司 | Air purification all-in-one machine |
-
2017
- 2017-11-15 CN CN201711131352.0A patent/CN109780644B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10277339A (en) * | 1997-02-07 | 1998-10-20 | Fuji Electric Co Ltd | Fan filter unit for clean room |
| CN101619881A (en) * | 2009-06-16 | 2010-01-06 | 长沙凯天环保科技有限公司 | Dedusting system of whole factory building |
| WO2012093938A1 (en) * | 2011-01-03 | 2012-07-12 | Autarkis B.V. | Displacement ventilation system |
| CN204522576U (en) * | 2015-01-15 | 2015-08-05 | 凯天环保科技股份有限公司 | The dust entirety served back under a kind of administers all-in-one |
| CN104785024A (en) * | 2015-04-01 | 2015-07-22 | 成都易态科技有限公司 | Gas filtering device |
| CN105509265A (en) * | 2016-01-25 | 2016-04-20 | 福建海晟环境科技有限公司 | Intelligent ventilation, dust removal and purification system |
| CN107137987A (en) * | 2017-06-26 | 2017-09-08 | 山东国舜建设集团有限公司 | Air purification all-in-one machine |
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| Publication number | Publication date |
|---|---|
| CN109780644B (en) | 2023-06-13 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Xiang Inventor after: Li Jian Inventor after: Yao Weiqiang Inventor after: Lin Hongzhu Inventor after: Sheng Yuangun Inventor before: Li Jian Inventor before: Yao Weiqiang Inventor before: Lin Hongzhu Inventor before: Sheng Yuangun Inventor before: Zheng Xiang |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191127 Address after: 116600, Jinzhou New District, Liaoning, Dalian double D digital 3 Road No. 8 Applicant after: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Applicant after: Beijing Air Research heating and cooling equipment installation engineering technology Co.,Ltd. Address before: 116600, Jinzhou New District, Liaoning, Dalian double D digital 3 Road No. 8 Applicant before: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. |
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| CP03 | Change of name, title or address |
Address after: Floor 4, No. 300, Dongxin Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province, 215156 Patentee after: Suzhou Zhaohe Air System Co.,Ltd. Patentee after: Beijing Air Research heating and cooling equipment installation engineering technology Co.,Ltd. Address before: 116600 No.8, digital3 Road, shuangd port, Jinzhou new district, Dalian City, Liaoning Province Patentee before: MEGAUNITY ENVIRONMENTAL SOLUTIONS CO.,LTD. Patentee before: Beijing Air Research heating and cooling equipment installation engineering technology Co.,Ltd. |